diff --git a/lib/announcement/engine.rb b/lib/announcement/engine.rb
index 174c9ad..778a75b 100644
--- a/lib/announcement/engine.rb
+++ b/lib/announcement/engine.rb
@@ -6,6 +6,7 @@ module Announcement
         base_url File.expand_path File.dirname(__FILE__)
         widget_methods ["widget"]
         widget_settings [{"data_count"=>10}]
+         models_to_cache [:bulletin]
         taggable "Bulletin"
         categorizable
         authorizable